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General| Type | HF Transceiver |
|---|---|
| Frequency Range | 1.8 - 30 MHz |
| Modes | SSB, CW, AM |
| Power Output (SSB/CW) | 100 W |
| Power Supply | 13.8 V DC |
| Receiver Type | Superheterodyne |
| Operating Modes | LSB, USB, CW, AM |
| Receiver Sensitivity | 0.5 µV |
Controls for turning the transceiver on/off and selecting operating modes like SSB and CW.
Adjusts audio volume and connects headphones, microphones, and recording devices.
Buttons for RF Attenuator, Noise Blanker, AGC, Fixed Frequency, Marker, and Clarifier.
Adjusts operating frequency, selects bands, and displays frequency information.
Controls transmitter drive power and displays signal strength or power output.
Adjusts CW sidetone volume and selects noise blanker pulse width for interference reduction.
Selects meter function for transmission and adjusts semi break-in CW delay time.
Enables fixed frequency operation and provides fine adjustment for crystal oscillators.
Adjusts the sensitivity of the meter circuit for Forward (FWD) and Reflected (REF) power measurements.
Ports for low-level RF output to transverters and connection to antennas or linear amplifiers.
Connects to DC power sources and ensures proper station grounding for safety and performance.
Interfaces for accessories, external speakers, and external VFO units like FV-700DM.
Standard jack for connecting a straight key or electronic keyer for CW transmission.
Guides through initial checks of the transceiver and power supply before first use.
Details proper grounding, location, and power connections for base station operation.
Instructions for installing the transceiver in a vehicle, including mounting and antenna considerations.
Wiring diagrams for headphone, recorder, and accessory interface plugs on the transceiver.
Wiring details for connecting CW keys and external VFO units to the transceiver.
Details the wiring polarity and fuse requirements for the transceiver's power plug.
Wiring diagram for the Yaesu MD-1B8 microphone, detailing pin assignments for PTT and audio.
Wiring diagram for the Yaesu MH-1B8 microphone, showing connections for PTT and audio signals.
Wiring configurations for various YM series microphones (YM-34 to YM-38) and their connections.
Guides on how to receive signals, adjust RF attenuation, and use the noise blanker.
Explains AGC operation, fixed frequency settings, marker signals, and clarifier use for frequency adjustment.
General guidelines and precautions for transmitting in SSB, CW, and FM modes.
Steps for setting up and transmitting in Single Sideband (SSB) mode, including microphone gain.
Instructions for CW transmission, including keying, ALC adjustment, and sidetone control.
Guidelines for FM transmission, including power limitations and squelch adjustment.
Procedures for checking and measuring Standing Wave Ratio (SWR) for antenna matching.
Details on installing crystals and determining frequencies for fixed-frequency operation.
Instructions for calibrating the optional Marker Unit for accurate frequency checks.
Step-by-step guide for installing the optional CW narrow filter module.
Instructions for installing the optional FM Unit circuit board assembly and its connectors.
Guide for mounting and connecting the optional Marker Unit to the transceiver.
Describes the RF signal path through the low-pass filter, RF amplifier, and mixer stages.
Explains the 9 MHz IF amplification, noise blanking, and filtering stages.
Details audio amplification, demodulation, and the function of the optional FM Unit.
Describes the signal path from microphone input through the PA unit for SSB, CW, and FM transmission.
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